POSIX sh version of mkversion

Most targeted platforms have "sh" and don't need Perl as requirement.
Still Perl script is present as fallback.

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Chg posix sh version of mkversion (@doegox)
  - Chg remove entirely ncurses, not needed nowadays (@doegox)
  - Chg remove deprecated termcap, use ncurses instead (@ZeroChaos-)
  - Chg 'hf iclass encrypt' - now takes transport key as param. (@iceman1001)

armsrc/Makefile

@@ -144,7 +144,7 @@ all: $(OBJS)
 # version.c should be remade on every time fullimage.stage1.elf should be remade
 version.c: default_version.c $(OBJDIR)/fpga_version_info.o $(OBJDIR)/fpga_all.o $(THUMBOBJ) $(ARMOBJ)
 	$(info [-] GEN $@)
-	$(Q)perl ../tools/mkversion.pl .. > $@ || $(COPY) $^ $@
+	$(Q)sh ../tools/mkversion.sh > $@ || perl ../tools/mkversion.pl > $@ || $(COPY) $^ $@
 
 fpga_version_info.c: $(FPGA_BITSTREAMS) | $(FPGA_COMPRESSOR)
 	$(info [-] GEN $@)

bootrom/Makefile

@@ -36,7 +36,7 @@ OBJS = $(OBJDIR)/bootrom.s19
 # version.c should be remade on every compilation
 version.c: default_version.c
 	$(info [=] GEN $@)
-	$(Q)perl ../tools/mkversion.pl .. > $@ || $(COPY) $^ $@
+	$(Q)sh ../tools/mkversion.sh > $@ || perl ../tools/mkversion.pl > $@ || $(COPY) $^ $@
 
 all: $(OBJS)
 

common_arm/default_version.c

@@ -1,5 +1,5 @@
 #include "proxmark3_arm.h"
-/* This is the default version.c file that Makefile.common falls back to if perl is not available */
+/* This is the default version.c file that Makefile.common falls back to if neither sh nor perl are available */
 const struct version_information __attribute__((section(".version_information"))) version_information = {
     VERSION_INFORMATION_MAGIC,
     1, /* version 1 */

doc/md/Installation_Instructions/Linux-Installation-Instructions.md

@@ -25,7 +25,7 @@ Install the requirements
 
 ```sh
 sudo apt-get install p7zip git ca-certificates build-essential libreadline5 libreadline-dev \
-libusb-0.1-4 libusb-dev perl pkg-config wget gcc-arm-none-eabi libnewlib-dev libqt4-dev
+libusb-0.1-4 libusb-dev pkg-config wget gcc-arm-none-eabi libnewlib-dev libqt4-dev
 ```
 
 If you don't need the graphical components of the Proxmark3 client, you can skip the installation of `libqt4-dev`.

doc/md/Installation_Instructions/Mac-OS-X-Homebrew-Installation-Instructions.md

@@ -66,7 +66,7 @@ These instructions will show how to setup the environment on OSX to the point wh
 2. Install dependencies:
 
 ```
-brew install readline p7zip libusb-compat perl qt5 wget pkgconfig
+brew install readline p7zip libusb-compat qt5 wget pkgconfig
 brew install RfidResearchGroup/proxmark3/arm-none-eabi-gcc
 ```
 

doc/md/Installation_Instructions/Windows-Installation-Instructions.md

@@ -99,7 +99,7 @@ Enter WSL prompt (`wsl`) and from there, follow the [Linux Installation Instruct
 ```sh
 sudo apt-get update
 sudo apt-get install p7zip git ca-certificates build-essential libreadline5 libreadline-dev libusb-0.1-4 \
-libusb-dev perl pkg-config wget gcc-arm-none-eabi libstdc++-arm-none-eabi-newlib \
+libusb-dev pkg-config wget gcc-arm-none-eabi libstdc++-arm-none-eabi-newlib \
 libqt4-dev
 ```
 

tools/mkversion.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+# Output a version.c file that includes information about the current build
+# From mkversion.pl
+# pure sh POSIX as now even on Windows we use WSL or ProxSpace with sh available
+
+# Clear environment locale so that git will not use localized strings
+export LC_ALL="C"
+export LANG="C"
+
+# if you are making your own fork,  change this line to reflect your fork-name
+fullgitinfo="RRG/Iceman"
+# GIT status  0 = dirty,  1 = clean ,  2 = undecided
+clean=2
+
+# Do we have acces to git command?
+commandGIT=$(env which git)
+
+if [ "$commandGIT" != "" ]; then
+
+    # now avoiding the "fatal: No names found, cannot describe anything." error by fallbacking to abbrev hash in such case
+    gitversion=$(git describe --dirty --always)
+    gitbranch=$(git rev-parse --abbrev-ref HEAD)
+    if [ "$gitversion" != "${gitversion%-dirty}" ]; then
+        clean=0
+    else
+        clean=1
+    fi
+    if [ "$gitbranch" != "" ] && [ "$gitversion" != "" ]; then
+        fullgitinfo="${fullgitinfo}/${gitbranch}/${gitversion}"
+        ctime="$(date '+%Y-%m-%d %H:%M:%S')"
+    else
+        fullgitinfo="${fullgitinfo}/master/release (git)"
+    fi
+else
+    fullgitinfo="${fullgitinfo}/master/release (no_git)"
+    dl_time=$(stat --printf="%y" ../README.md)
+    # POSIX way...
+    ctime=${dl_time%.*}
+fi
+
+# Crop so it fits within 50 characters C string, so max 49 chars
+# POSIX way
+fullgitinfoextra="${fullgitinfo#??????????????????????????????????????????????}"
+if [ "$fullgitinfoextra" != "$fullgitinfo" ]; then
+    fullgitinfo46="${fullgitinfo%"${fullgitinfoextra}"}"
+    fullgitinfo="${fullgitinfo46}..."
+fi
+cat <<EOF
+#include "proxmark3_arm.h"
+/* Generated file, do not edit */
+const struct version_information __attribute__((section(".version_information"))) version_information = {
+    VERSION_INFORMATION_MAGIC,
+    1,
+    1,
+    $clean,
+    "$fullgitinfo",
+    "$ctime",
+};
+EOF